Chemistry

Chemistry, 28.10.2019 12:31, LukeneedhelpInMath

How many grams is 9.03 moles of mgso4? round answer to three significant figures.

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Mathematics, 08.07.2019 22:10, alyssagonzales2021

100 rules: have to answer correctly have to answer all 16 questions only answer if you only know the answer partial answers or incomplete answers not accepted will be reported point stealers beware 1) how many moles are there in 24.5 grams of cof3? 2) how many molecules are there in 150.00 grams of na2so4? 3) how many moles are there in 2.3 x 1024 atoms of sulfur? 4) how many grams are there in 7.40 x 1023 molecules of ph3? 5) how many moles are there in 7.5 x 1023 molecules of h2so4? 6) how many molecules are there in 55.5 grams of cu(clo¬3)2? 7) how many grams are there in 8.20 x 1025 molecules of water? 8) how many molecules are there in 238.05 grams of co2? 9) how many molecules are there in 2.35 grams of nh4f? 10) how many grams are there in 1.50 x 1023 molecules of n2h6? 11) how many molecules are there in 20.40 grams of sicl4? 12) how many grams are there in 3.50 moles of alcl3? 13) how many moles are there in 4.50 x 1022 molecules of ch4? 14) how many molecules are there in 9.34 grams of no? 15) how many grams does 4.00 moles of uf6 weigh? 16) how many moles are there in 230.0 grams of nh4oh?

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Physics, 24.08.2019 22:10, krab38

Use your calculator to determine (√7) to the third power to three significant figures in two ways. (a) find √7 to four significant figures; then cube this number and round to three significant figures. (b) find √7 to three significant figures; then cube this number and round to three significant figures. which answer is more accurate? explain.

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Chemistry, 06.10.2019 05:00, franklinkaylieg3873

Mass, in grams, of 0.195 mol sucrose (c12h22o11). express your answer using three significant figures. mm = nothing g request answer part b moles of zn(no3)2 in 131.50 g of this substance. express your answer using four significant figures. nn = nothing mol request answer part c number of molecules in 8×10−6 mol ch3ch2oh. express your answer using four significant figures. nn = nothing molecules request answer part d number of n atoms in 0.650 mol nh3. express your answer using three significant figures. nn = nothing atoms

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Chemistry, 06.10.2019 07:01, mommytobe2019

What is the mass, in grams, of 1.50 mol of iron (iii) sulfate? express your answer using three significant figures. mm = nothing g request answer part b how many moles of ammonium ions are in 6.935 g of ammonium carbonate? express your answer using four significant figures. nn = nothing mol request answer part c what is the mass, in grams, of 1.20×1021 molecules of aspirin, c9h8o4? express your answer using three significant figures. mm = nothing g request answer part d what is the molar mass of diazepam (valium®) if 0.05570 mol weighs 15.86 g? express your answer using four significant figures. mm = nothing g/mol

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How many grams is 9.03 moles of mgso4? round answer to three significant figures....

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